package Lesson;

import java.util.Scanner;

public class Demo3 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String phone = sc.nextLine();

        String start = phone.substring(0,3);
        String end = phone.substring(7);

        System.out.println("手机号屏蔽："+start+"****"+end);
    }
}
